Trypanosoma cruzi Antibody, IgM

0051075
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Example Reports
Negative
Positive

Ordering Recommendation

Aid in the diagnosis of Chagas disease (T. cruzi). Order in conjunction with Parasites Smear (Giemsa Stain), Blood (0049025).

Mnemonic

CHAGAS M

Methodology

Semi-Quantitative Indirect Fluorescent Antibody

Performed

Wed

Reported

1-8 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days of the acute specimens. Mark specimens plainly as acute or convalescent.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions

Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval

Less than 1:16: Negative - No significant level of Trypanosoma cruzi IgM antibody detected.
1:16 or greater: Positive - IgM antibodies to Trypanosoma cruzi detected, which may suggest current or recent infection.   

Interpretive Data

ARUP intends the use of this assay for clinical diagnosis. This assay should not be used for blood donor screening or associated re-entry protocols, or for screening Human Cell and Cellular Tissue-Based Products (HCT/Ps).

Compliance Category

Standard

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
02/18/2020
X
N/A

CPT Codes

86753

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Components

Component Test Code* Component Chart Name LOINC
0051075 Trypanosoma cruzi Antibody, IgM 13290-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Chagas Antibody, IgM
  • T cruzi IgM Ab
Trypanosoma cruzi Antibody, IgM